Eros's extended family

Richard P. Binzel
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Richard P. Binzel: Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology

Nature, 1997, vol. 388, issue 6642, 516-517

Abstract: Eros and Ganymed are the two largest asteroids that come close to Earth, 20 and 32 km across,respectively. A study of orbital dynamics hints that they may once have been parts of the sameparent body, a much larger object in the Asteroid belt between Mars and Jupiter, which wasbroken up in a collision and gave rise to the so-called Maria family of asteroids. So when theNEAR space probe explores Eros in 1999, it may be sampling material from a precisely fixedpart of the asteroid belt.

Date: 1997
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DOI: 10.1038/41423

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